ChemicalBook--->CAS DataBase List--->71989-14-5

71989-14-5

71989-14-5 Structure

71989-14-5 Structure
IdentificationMore
[Name]

FMOC-L-Aspartic acid beta-tert-butyl ester
[CAS]

71989-14-5
[Synonyms]

9-FLUORENYLMETHOXYCARBONYL-L-ASPARTIC ACID BETA-T-BUTYL ESTER
FMOC-ASPARTIC ACID(OTBU)
FMOC-ASP(OBUT)
FMOC-ASP(OBUT)-OH
FMOC-ASP(OTBU)-OH
FMOC-L-ASPARAGIN ACID BETA-T-BUTYL ESTER
FMOC-L-ASPARAGIN ACID BETA-TERT-BUTYL ESTER
FMOC-L-ASPARTIC ACID 4-TERT-BUTYL ESTER
FMOC-L-ASPARTIC ACID BETA-T-BUTYL ESTER
Fmoc-L-Aspartic acid beta-tert-butyl ester
FMOC-L-ASPARTIC ACID B-T-BUTYL ESTER
FMOC-L-ASPARTIC ACID (OTBU)
FMOC-L-ASPARTIC ACID(O-T-BUTYL)
FMOC-L-ASP(OTBU)-OH
FMOC-L-ASP(O-T-BUTYL)
FMOC-L-ASP(TBU)-OH
N-(9-FLUORENYLMETHOXYCARBONYL)-L-ASPARAGIN ACID BETA-T-BUTYL ESTER
N-(9-Fluorenylmethoxycarbonyl)-L-aspartic acid beta-tert-butyl ester
N-9-FLUORENYLMETHYLOXYCARBONYL-L-ASPARTIC ACID BETA-T-BUTYL ESTER
N-9-FLUORENYLMETHYLOXYCARBONYL-L-ASPARTIC ACID BETA-TERT-BUTYL ESTER
[EINECS(EC#)]

276-251-7
[Molecular Formula]

C23H25NO6
[MDL Number]

MFCD00037131
[Molecular Weight]

411.45
[MOL File]

71989-14-5.mol
Chemical PropertiesBack Directory
[Appearance]

white to light yellow crystal powde
[Melting point ]

148-150 °C (dec.)
[alpha ]

-25 º (c=1,DMF 24 ºC)
[Boiling point ]

530.45°C (rough estimate)
[density ]

1.2498 (rough estimate)
[refractive index ]

-25 ° (C=1, DMF)
[storage temp. ]

2-8°C
[solubility ]

Soluble in Chloroform,Dichloromethane,Ethyl Acetate,DMSO,Acetone,etc.
[form ]

powder to crystal
[pka]

3.57±0.23(Predicted)
[color ]

White to Almost white
[optical activity]

[α]20/D 24±2°, c = 1% in DMF
[Water Solubility ]

Slightly soluble in water.
[Detection Methods]

HPLC,NMR,Rotation
[BRN ]

3635671
[InChIKey]

FODJWPHPWBKDON-IBGZPJMESA-N
[CAS DataBase Reference]

71989-14-5(CAS DataBase Reference)
Safety DataBack Directory
[Hazard Codes ]

Xi
[Risk Statements ]

R36/37/38:Irritating to eyes, respiratory system and skin .
[Safety Statements ]

S24/25:Avoid contact with skin and eyes .
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection .
S27:Take off immediately all contaminated clothing .
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
[WGK Germany ]

3
[HazardClass ]

IRRITANT
[HS Code ]

29242990
Raw materials And Preparation ProductsBack Directory
[Raw materials]

tert-Butyl acetate-->L-ASPARTIC ACID-->L-Aspartic acid 4-tert-butyl ester-->9-Fluorenylmethyl chloroformate
[Preparation Products]

FMOC-ASPARTIMOL(OTBU)-->ANGIOTENSIN I, HUMAN-->CYCLO (ARG-GLY-ASP-D-PHE-LYS)-->(R)-(-)-tert-Butyl 2-(4-(4-chlorophenyl)-2,3,9-trimethyl-6H-thieno[3,2-f][1,2,4]triazolo[4,3-a][1,4]diazepin-6-yl)acetate-->L-Aspartic acid-->ANGIOTENSIN II, HUMAN-->FMOC-ASP(OBUT)-NH2
Material Safety Data Sheet(MSDS)Back Directory
[msds information]

FMOC-L-Aspartic acid beta-tert-butyl ester(71989-14-5).msds
Hazard InformationBack Directory
[Chemical Properties]

white to light yellow crystal powde
[Uses]

L-Aspartic acid is a nonessential amino acid that is used to biosynthesize other amino acids within the human body.
[Preparation]

Fmoc-Asp(OtBu)-OH was prepared by substitution reaction with 9-fluorenylmethyl chloroformate from L-aspartic acid 4-tert-butyl ester.
[General Description]

The product number for this product was previously 04-12-1013.

To obtain a certificate of analysis (CoA) of a lot that begins with the letter “A”, please select the option in the right hand menu “Request a COA for Lot#s starting with A”.
Spectrum DetailBack Directory
[Spectrum Detail]

FMOC-L-Aspartic acid beta-tert-butyl ester(71989-14-5)1HNMR
Well-known Reagent Company Product InformationBack Directory
[Acros Organics]

FMOC-L-Aspartic acid beta-tert-butyl ester, 98%(71989-14-5)
[Sigma Aldrich]

71989-14-5(sigmaaldrich)
[TCI AMERICA]

4-tert-Butyl N-[(9H-Fluoren-9-ylmethoxy)carbonyl]-L-aspartate,>98.0%(LC)(T)(71989-14-5)
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